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20130411
20130419
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LINKTV 2
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Search Results 0 to 1 of about 2 (some duplicates have been removed)
with f, ends with r. i got a u in the middle, try it. fur. fur. or your hair. okay. guess what holds electrons very nicely? it begins with r, ends with u-b-b-e-r. rubber. rubber, okay? and so when i take the rubber and i scrape it against the fur, what am i doing? i rub electrons from the fur onto the rod. now, the rod has more electrons than before. you, people at front row, can you see those things? yes. okay. [makes noise] follow me, i'll make your crops grow. hey--okay. it turns out-- no, i'm kidding around. but there are more electrons on here than before. so i say this is charged. now, you got to tell me, negatively charged, or positively charged? negative. neighbor. how many say negatively charged? all right. that's because the electrons themselves are negative. and by the way, do you know who is the one who put-- who gave us the idea of negative and positive charges? a first, first-rate scientist with a world-wide reputation in science. his name was bf. benjamin franklin. benjamin franklin. that's right. benjamin franklin was noted as a first-rate scientist before he became a
Search Results 0 to 1 of about 2 (some duplicates have been removed)